Scalarized Kerr-Newman black holes

被引：14
作者：
Guo, Guangzhou [1 ,2 ]
Wang, Peng [1 ]
Wu, Houwen [1 ,3 ]
Yang, Haitang [1 ]
机构：
[1] Sichuan Univ, Coll Phys, Ctr Theoret Phys, Chengdu 610064, Peoples R China
[2] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
[3] Univ Cambridge, Dept Appl Math & Theoret Phys, Wilberforce Rd, Cambridge CB3 0WA, England
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 2023卷 / 10期
关键词：
Black Holes; Classical Theories of Gravity; SHADOW;
D O I：
10.1007/JHEP10(2023)076
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In this paper, we construct scalarized rotating black holes within the framework of Einstein-Maxwell-scalar models. These models incorporate non-minimal couplings that can induce tachyonic instabilities, leading to the spontaneous scalarization of Kerr-Newman (KN) black holes. By exploring the domain of existence, we observe that the presence of scalarized KN black holes is suppressed by the black hole spin, with a maximum spin threshold beyond which scalarized solutions cease to exist. Intriguingly, we find that in specific parameter regimes, scalarized KN black holes can exhibit the presence of two unstable and one stable light rings on the equatorial plane, manifesting in both prograde and retrograde directions.
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页数：20
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